Intake system of a multi-cylinder internal combustion engine

Details Intake system of a multi-cylinder internal combustion engine Intake system of a multi-cylinder internal combustion engine

1979-05-04

1981-04-14

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123547, 123543, F02B 4708, F02G 500, F02M 1500

Patent

active

042613167

ABSTRACT:
A multi-cylinder engine comprising a carburetor housing forming therein at least two branch mixture passages. Each of the branch mixture passages is connected to a respective intake port. A throttle valve of the carburetor is provided for each cylinder. Each of the throttle valves is arranged in the respective branch mixture passage. A single common connecting passage and branch connecting passages which are connected to the common connecting passage are provided. Each of the branch connecting passages opens into the respective intake port in the vicinity of the rear face of the valve head of the corresponding intake valve. The common connecting passage is arranged adjacent to the exhaust port for heating the inner wall of the common connecting passage by the exhaust gas flowing in the exhaust port.

REFERENCES:
patent: 2257629 (1941-09-01), Wahlberg
patent: 3364911 (1968-01-01), Baudry et al.
patent: 3408992 (1968-11-01), Von Seggern et al.
patent: 3441008 (1969-04-01), Nelson
patent: 3664316 (1972-05-01), Garcea

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